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    • 25. 发明授权
    • Storage apparatus and method of detecting power failure in storage apparatus
    • 存储装置和存储装置中的电源故障检测方法
    • US08677181B2
    • 2014-03-18
    • US13059203
    • 2010-12-13
    • Yosuke NakayamaTetsuya InoueTsutomu KogaHiroshi Suzuki
    • Yosuke NakayamaTetsuya InoueTsutomu KogaHiroshi Suzuki
    • G06F11/00
    • G11B19/047G06F1/28G06F1/30
    • A storage apparatus includes a drive unit device including multiple storage drives, a drive interface unit and a power supply unit, a storage controller including multiple processing units and a drive control interface unit, a recording part recording whether a relevant data input/output process was successful for each of multiple data paths, and a failure detection unit performing a process which, when one processing unit determines the data input/output process not being performed successfully, determines whether a result of the data input/output process performed by other processing units is recorded in the recording part within a predetermined period of time after an abnormality of the relevant data input/output process is recorded, and, when the first processing unit detecting the abnormality determines that the data input/output process abnormality is recorded, provides an instruction to stop the data input/output processes to the drive unit device in which the abnormality is detected.
    • 一种存储装置,包括具有多个存储驱动器的驱动单元装置,驱动器接口单元和电源单元,包括多个处理单元的存储控制器和驱动控制接口单元,记录相关数据输入/输出处理是否为 成功地执行多个数据路径中的每一个,以及故障检测单元,执行当一个处理单元确定未成功执行的数据输入/输出处理时,确定其他处理单元执行的数据输入/输出处理的结果 在相关数据输入/输出处理的异常被记录之后的预定时间段内被记录在记录部分中,并且当检测到异常的第一处理单元确定数据输入/输出处理异常被记录时, 指令,停止数据输入/输出处理到发生异常的驱动单元设备 被迫
    • 29. 发明申请
    • STORAGE APPARATUS AND METHOD OF DETECTING POWER FAILURE IN STORAGE APPARATUS
    • US20120151262A1
    • 2012-06-14
    • US13059203
    • 2010-12-13
    • Yosuke NakayamaTetsuya InoueTsutomu KogaHiroshi Suzuki
    • Yosuke NakayamaTetsuya InoueTsutomu KogaHiroshi Suzuki
    • G06F11/22
    • G11B19/047G06F1/28G06F1/30
    • A storage apparatus includes a drive unit device including a plurality of storage drives, a drive interface unit and a power supply unit, the storage drives being configured to provide a physical storage area for creating a logical storage area to be used by an external apparatus, the drive interface unit being configured to input and output data to and from the storage drives, the power supply unit being configured to supply operation power to the storage drives and the drive interface unit, a storage controller including a plurality of processing units and a drive control interface unit, the processing units being configured to perform a data input/output process via the drive interface unit, the data input/output process including a process of writing data from the external apparatus into the storage drives and a process of reading data out of the storage drives, the drive control interface unit being configured to issue a command to the drive interface unit in response to a request from each of the processing units, a failure existence/non-existence recording part configured to record, for every attempt of each of the plurality of the processing units to perform the data input/output process via a plurality of data paths which are communication paths for performing data transfer to and from the drive interface unit of the drive unit device, whether the relevant data input/output process was successful for each of the data paths, and a failure detection unit configured to perform a power failure detection process which, in a case where one of the plurality of processing units has determined that the data input/output process with the drive interface unit has not been performed successfully, determines whether a result of the data input/output process performed by each of the other processing units has been recorded in the failure existence/non-existence recording part within a predetermined period of time after an abnormality of the relevant data input/output process has been recorded in the failure existence/non-existence recording part, and, in a case where the first processing unit which has detected the abnormality in the data input/output process has determined that the data input/output process abnormality is recorded in the failure existence/non-existence recording part for all the data paths, provides an instruction to stop the data input/output processes to the drive unit device in which the data input/output process abnormality has been detected and other drive unit devices coupled downstream of the relevant drive unit device.